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2003-12-05 Jeff Johnston <jjohnstn@redhat.com>

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* ia64-tdep.c (ia64_gdbarch_init): Set up the gdbarch long double
        format to be the i387 extended float format which is used for
        long doubles stored in memory.
This commit is contained in:
Jeff Johnston 2003-12-06 00:17:04 +00:00
parent aaad4cf36a
commit 32edc941e1
2 changed files with 14 additions and 0 deletions
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6
gdb/ChangeLog
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@ -1,3 +1,9 @@
2003-12-05 Jeff Johnston <jjohnstn@redhat.com>
* ia64-tdep.c (ia64_gdbarch_init): Set up the gdbarch long double
format to be the i387 extended float format which is used for
long doubles stored in memory.
2003-12-05 Mark Kettenis <kettenis@gnu.org>
From Ulrich Weigand <weigand@informatik.uni-erlangen.de>:

8
gdb/ia64-tdep.c
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@ -3361,6 +3361,14 @@ ia64_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
0, "builtin_type_ia64_ext", NULL);
TYPE_FLOATFORMAT (builtin_type_ia64_ext) = &floatformat_ia64_ext;
/* According to the ia64 specs, instructions that store long double floats
in memory use a long-double format different than that used in the floating
registers. The memory format matches the x86 extended float format which is
80 bits. An OS may choose to use this format (e.g. Linux) or choose to use
a different format for storing long doubles (e.g. HPUX). In the latter case,
the setting of the format may be moved/overridden in an OS-specific tdep file. */
set_gdbarch_long_double_format (gdbarch, &floatformat_i387_ext);
set_gdbarch_short_bit (gdbarch, 16);
set_gdbarch_int_bit (gdbarch, 32);
set_gdbarch_long_bit (gdbarch, 64);